Bug Fix: Ogre texture cleanup code did not check 'linked' state.
Bug Fix: Ogre texture cleanup code did not check 'linked' state.

RealityFactory/CEGUI,arkana-fts/cegui,cbeck88/cegui-mirror,cbeck88/cegui-mirror,RealityFactory/CEGUI,cbeck88/cegui-mirror,RealityFactory/CEGUI,arkana-fts/cegui,arkana-fts/cegui,arkana-fts/cegui,cbeck88/cegui-mirror,RealityFactory/CEGUI,arkana-fts/cegui,cbeck88/cegui-mirror,RealityFactory/CEGUI